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Underbody braces, turbos and more!

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PostPosted: Sun Apr 19, 2009 1:10 pm 
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Joined: Sat May 12, 2007 10:45 pm
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Location: Millbrook, Alabama
I am thinking about painting the front Swift bumper on my Metro. The problem is that it is the textured black plastic. Does anyone have any experiences with sanding and painting these bumpers body color? I am interested in how it turns out.

Thanks,

Kyle

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92 Metro Turbo-G13b Swap - too much stuff to list
95 Metro 4/5 Sedan - Daily Driver Status
2014 BRZ Limited in WRB - The car payment


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PostPosted: Sun Apr 19, 2009 1:39 pm 
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Location: Hamlet , North Carolina
Well I've painted a extra bumper for a ford taures which was black and I wetsanded it 2000grit paper then clean it with some paint/thinner then just painted about three coats of the green color to match???do you plan to match it with the smurf blue???


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PostPosted: Mon Apr 20, 2009 6:23 pm 
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Location: Oss, the Netherlands
I did a piece last saturday, it turned out ok. Still can see the texture from up close, but looks good enough for me:

image_id: 16381 image_id: 16380

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'95 Swift 1.0:

- 0,5mm oversized pistons
- mildly ported head, 1,7mm taken off
- ss exhaust valves
- 222/365 3tech cam
- +10 gear
- K&N air filter
- TBI bridge removed
- 40mm throttle and intake manifold
- srd underdrive pulley
- AASCO 3kg flywheel with GTi clutch
- GTi catback
- deleted cat, now 2" ss pipe
- 14x6J ET45 BSA Racing
- Nankang AS-1 165/55-14
- 35mm lower Apex front and rear springs
- GTi sway bar
- Turbinetech underbody brace
- Ultra Racing upper strut bar

0-100kph: unknown seconds


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PostPosted: Wed Apr 29, 2009 1:24 am 
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Joined: Wed Apr 01, 2009 2:21 am
Posts: 87
Location: Lacey, WA. USA
I too am curious about this. What preparations are needed before painting these bumpers? Does anyone have some knowlege of the processes involved before I do something I regret?

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PostPosted: Wed Apr 29, 2009 5:56 am 
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Joined: Tue Apr 29, 2008 8:06 pm
Posts: 1445
Location: Atlanta GA 30052
use flexible paint. :!:
paint shops use an additive
parts shops sell blk bumper paint i have used
other colors may be avail
vinyl seat paint may work :idea:

prep is important. :!:
rough up a good surface with 3M type scrubber or 1000+ sandpaper
gouges can be filled with body filler

wipe clean, then i wipe down with 91% rubbing alcohol (not 60% or whatever)
paint and let sit in the sun if possible or heat with a heat gun
some paints may take 30 days to reach full strength so i plan ahead.
:D

i roughed it up while the filler dried. then sanded filler with 240, 320, 400, 600, and 1000.
image_id: 16023

minimum 1 can. i used 3 cans. $6 ea.
image_id: 16024

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looking for:
the time i mispent in my youth

daily driver: red 1991 Metro 3cyl 5sp, roof rack, 8 degree advance,
got 61 mpg combined on 14" tires but i prefer 12"

completed frame up restoration: black 1994 Swift GT 5sp -- like new ! 45mpg


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PostPosted: Wed Apr 29, 2009 9:24 am 
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Joined: Mon Jan 17, 2005 5:21 pm
Posts: 353
Location: Oss, the Netherlands
Oops

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'95 Swift 1.0:

- 0,5mm oversized pistons
- mildly ported head, 1,7mm taken off
- ss exhaust valves
- 222/365 3tech cam
- +10 gear
- K&N air filter
- TBI bridge removed
- 40mm throttle and intake manifold
- srd underdrive pulley
- AASCO 3kg flywheel with GTi clutch
- GTi catback
- deleted cat, now 2" ss pipe
- 14x6J ET45 BSA Racing
- Nankang AS-1 165/55-14
- 35mm lower Apex front and rear springs
- GTi sway bar
- Turbinetech underbody brace
- Ultra Racing upper strut bar

0-100kph: unknown seconds


Last edited by Peenutzz on Wed Apr 29, 2009 9:45 am, edited 1 time in total.

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PostPosted: Wed Apr 29, 2009 9:44 am 
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Joined: Mon Jan 17, 2005 5:21 pm
Posts: 353
Location: Oss, the Netherlands
Finished the rear bumper, flat black:

image_id: 16443

I started with cleaning it, with water and soap, roughed it up with a scotchbrite, smoothened out minor scratches with 120 grit, and washed it again with soap. Then I used the scotchbrite again on the whole thing, for an hour or 2, washed it one final time, and let it dry for half an hour in the sun. When dry, I degreased it thoroughly with Motip degreaser. I didn't use any filler, they told me that it doesn't hold so well on plastic. The bumper wasn't that damaged, so there was no need for it also.
Then I covered the whole thing in plastic primer, and 15 minutes later I started with black. First a thin layer every 10 mins just to cover the whole thing, four layers did the job. Let it dry again for 15 minutes, and then one final layer to finish it off. Turned out ok, except for some dust:

image_id: 16442

It looks worse than it actually is, because of the camera┬┤s flash. Did it in the same place as the front upper bumper, but somehow it was dustier this time. Outside wasn't an option, very windy and dusty, pollen etc.

_________________
'95 Swift 1.0:

- 0,5mm oversized pistons
- mildly ported head, 1,7mm taken off
- ss exhaust valves
- 222/365 3tech cam
- +10 gear
- K&N air filter
- TBI bridge removed
- 40mm throttle and intake manifold
- srd underdrive pulley
- AASCO 3kg flywheel with GTi clutch
- GTi catback
- deleted cat, now 2" ss pipe
- 14x6J ET45 BSA Racing
- Nankang AS-1 165/55-14
- 35mm lower Apex front and rear springs
- GTi sway bar
- Turbinetech underbody brace
- Ultra Racing upper strut bar

0-100kph: unknown seconds


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PostPosted: Wed Apr 29, 2009 6:16 pm 
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Joined: Wed Apr 01, 2009 2:21 am
Posts: 87
Location: Lacey, WA. USA
Hmm. Doesn't seem so hard after all. I'm repainting my hood right now and have encountered some difficulties. Mainly because I tried to shortcut some steps and thought a light hand sanding with 1000 grit would be enough. Now I'm done resanding the mistakes (thank god for mouse sanders) and ready for the correct paint this time. Krylon Ultra Flat didn't work out over Rustoleum Semi Gloss. (DUH!)

Rookie, idiot, mistakes, but I'm no painting novice, just never done a car hood before. All of the prep is very important and I should've known that. Wel I did, but wanted fast results.

So, noone feel sorry for my dumb ass. "There is no sympathy for the self inflicted." Just laugh and point. That'lll do just fine.

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1992 Geo "TIE Fighter" Metro 1.0 SOHC 5sp.
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PostPosted: Mon May 04, 2009 1:12 am 
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Joined: Wed Dec 31, 2008 10:47 pm
Posts: 1
Location: Wellington
reall you need to do it correctly.. 1000grit.. A waste of time.

Clean the bumper down.. (thinners ect)

Start with 150grit if the surface is badly damaged ect. Otherwise 240grit is fine.. Sand it fully back,
2 coats of plastic primer
4 coats of high build 2k primer
block sand with 240
Block wet sand (or hand here needed) 400grit, ONly to remove the 240grit sanding marks.
Dont stress if you rub though the primer.. Just recoat those spots again
After that, your ready to paint. Dont forget to clean it down with prepsol


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PostPosted: Mon May 04, 2009 8:05 am 
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Location: Ontario, Canada
I used a Tremclad/Rustoleum type spray paint.
wiped the bumpers down really well with lacquer thinner, scuffed them with 240, wiped them down again, and sprayed them, no primer.
You can buy paints now specifically for plastics. I would try those, if you can get the colour you want.


Image
Image

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Contact 3tech: g10pro@rocketmail.com


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PostPosted: Mon May 04, 2009 8:03 pm 
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Joined: Wed Apr 01, 2009 2:21 am
Posts: 87
Location: Lacey, WA. USA
Nice pics. Those bumpers actually look good in White. That may change my mind about replacing them....

So, clean, sand, clean, sand, and then paint. You guys think Krylon Fusion will be adequate?

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PostPosted: Tue May 05, 2009 12:56 am 
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Clean with thinner, sand, then wipe down with thinner again.
Thats exactly the paint I would use.

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Contact 3tech: g10pro@rocketmail.com


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PostPosted: Wed May 06, 2009 1:47 am 
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Location: Lacey, WA. USA
Excellent. That's the info I needed.

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PostPosted: Sat May 09, 2009 12:50 am 
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Joined: Wed Nov 26, 2008 9:43 pm
Posts: 183
Location: mn
bullydog prep spray works better then sanding and priming and all this whatnot you guys are saying.
flattens the surface of the area, while making paint stick.
its all positives with this stuff.

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the looks i get......


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PostPosted: Sun May 10, 2009 10:06 pm 
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Location: Atlanta GA 30052
Cell Damage wrote:
You guys think Krylon Fusion will be adequate?

goes on nice.
several light coats

i clean 1st with Simple Green and a brush. gas if oily.
after wet sanding
clean with alcohol
let dry
prime
paint

i have not seen bullydog prep spray,

_________________
looking for:
the time i mispent in my youth

daily driver: red 1991 Metro 3cyl 5sp, roof rack, 8 degree advance,
got 61 mpg combined on 14" tires but i prefer 12"

completed frame up restoration: black 1994 Swift GT 5sp -- like new ! 45mpg


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PostPosted: Sat May 23, 2009 3:59 pm 
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Location: Vancouver, BC
If you're not using a paint formulated for plastics, put down adhesion promoter first (available at body shop supply houses).

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...can you inlighten me about lihtan's
( miracle pour hole)
maybe a picture Thanks


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PostPosted: Thu Dec 25, 2014 12:28 am 
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Location: Gulf Coast
http://i1380.photobucket.com/albums/ah1 ... 9484718118

Painted with the same paint


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PostPosted: Thu Dec 25, 2014 9:44 pm 
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Joined: Thu Feb 24, 2011 10:53 pm
Posts: 645
Location: brainerd MN
Over the years we did probably close to a dozen base and xfi's both mk2-3 with painted bumpers. (I have a body shop attached to the dealership) Its a ton of sanding and all kinds of little balls form when using heavier Grit sandpaper and finer grit paper gets "Filled up" almost immediately. My first body guy would do it under protest, the Current Guy, Did one and refused to do another. My recommendation, find an LSI Bumper, and paint it to match your color. The money you spend on the bumper will be saved in the reduced cost of sandpaper, and other materials, and as already mentioned by another poster. Bulldog is the Prep/Primer/sealer to use. Best wishes Jonathan

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Current stable:
1987 Sprint Turbo (Porsche Guards Red) 75k 5sp,AC, w/cruise, Resto-Mod,owned since 1997) (looking for dash-pad)
1989 GTI (white)104k 5sp,AC (Resto-mod completed 1999). (looks great, But rusted out ,need clean southern body.)Help!?
1991 Vert (red) 129k 5sp,AC, Resto-Mod, 75% Done.(Clean SW car)
1993 GT(Teal) 103k 5sp,AC,w/PW (Resto-Mod,60% done.)(Clean SW car)
1994 Swift GS 4Dr sedan (Painted 2005 Ford Kona Blue) 95k 1.3 SOHC 5sp


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